| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Ellie Holliss | 15 | Co St Albans | 32.57 |
| 2 | 2 | Freya Harwood | 15 | Hitchin | 31.91 |
| 3 | 3 | Harriet Clements | 15 | Watford SC | 31.66 |
| 4 | 4 | Millie Fields | 15 | Bishop Stort | 30.40 |
| 5 | 5 | Isabella Chapman | 15 | Harpenden | 31.13 |
| 6 | 6 | Keira Wharton | 15 | Tring | 31.75 |
| 7 | 7 | Maggie Fleet | 15 | Watford SC | 32.37 |
| 8 | 8 | Bethan Fuge | 15 | Hatfield | 32.67 |